Add the types to your rooms and make them bookable in different solutions: single, double, triple, etc.
From Management to Booking, click on Types and on new Type.
Assigns a name to the Type and the number of people. Click on the Confirmation. Remember to set the type of Rooms and make it available to the reservation.
Click on Rooms on the pencil icon of the room. In General, check the type to make it active.
Enter the price and minimum number of nights for the type. Finally click on Save